Combinatorics: Factorials Explained

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This is going to be a short optional lecture explaining factorials. The notation ‘n factorial’ is used to
express the product of the natural numbers from 1 to n. This means that n factorial equals 1, times
2, times 3, all the way up to n. For instance, 3 factorial is equal to 6, since: 1, times 2, times 3, equals 6 Simple enough, right? For the remainder of the lecture, we are going to explain some important properties of factorial mathematics. Before we get into the more complicated concepts,
you should know that there is one odd characteristic: negative numbers don’t have a factorial,
and zero factorial is equal to 1 by definition.
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#combinatorics #Statistics #Factorial

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[@sammy_vee]

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[@polycarpnalela6951]

Beautiful explanation

[@AnaGarcia-mx7wm]

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[@samcharles1166]

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